CN201338694Y - Push-pull folding bicycle - Google Patents
Push-pull folding bicycle Download PDFInfo
- Publication number
- CN201338694Y CN201338694Y CNU2008201242915U CN200820124291U CN201338694Y CN 201338694 Y CN201338694 Y CN 201338694Y CN U2008201242915 U CNU2008201242915 U CN U2008201242915U CN 200820124291 U CN200820124291 U CN 200820124291U CN 201338694 Y CN201338694 Y CN 201338694Y
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- body frame
- joint
- poppet
- hinged
- vehicle body
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Abstract
The utility model relates to a push-pull folding bicycle, comprising a front stand, a body frame, a back stand, brake handlebars, wheels, pedal devices, a driving device and a saddle, wherein the front stand is connected with the back stand through the body frame, and the brake handlebars are arranged on the front stand; the wheels are arranged on a front fork and a back fork, and the saddle is arranged at the upper part of the back stand; and the pedal devices and the driving device are arranged at the middle-back part of the body frame, and the body frame is of a push-pull structure formed by a plurality of beam bars and a plurality of movable joints. The utility model can be simply and quickly pushed, pulled and folded, and the body frame can be shortened to the front wheel and the back wheel which are close together, thereby greatly reducing the volume of the bicycle and facilitating carrying, and users do not need to hold the bicycle as long as the hands grip the handlebars to push the bicycle when the wheels touch the ground, which is labor-saving and convenient; the front stand and the back stand can be retracted, and the handlebars can be folded, thereby occupying less space, and facilitating packing, carrying and storing; the whole bicycle has good strength, rigidity and stability, the balance performance and flexibility are good when riding, and the use is safe and reliable; and single, double and multi-person folding bicycles can be produced, thereby facilitating the product serialization.
Description
Technical field
The utility model belongs to the bicycle field, relate to a kind ofly easily pull off, portative plug-type folding bicycle.
Background technology
Traditional Collapsible bicycle adopts doubling formula foldable structure usually, be with handlebar and wheel doubling, and vehicle body frame generally can not fold, and thus, makes that the bicycle volume after folding is still bigger, deposit and carry inconvenience, and this folding bicycle is folding loaded down with trivial details, can not carry out after folding, and the user must carry portable, bothersome effort, thereby be not easy to popularize.
Existing Collapsible bicycle is single riding, and the bicycle of riding for visitor's amusement and sightseeing in tourist attractions has double riding, but can not fold, ride folding bicycle if adopt traditional foldable structure to make many people, its intensity, rigidity and alerting ability, balance, stability all out of reach are used standard.
Summary of the invention
The purpose of this utility model is to provide a kind of and easily pulls off, and volume after folding is little, is easy to carry, and is convenient to deposit, and is convenient and strength-saving, plug-type folding bicycle safe in utilization.
The technical solution adopted in the utility model: a kind of plug-type folding bicycle, comprise front frame, vehicle body frame, after poppet, brake handlebar, wheel, pedal device, driving device, vehicle seat, its front frame connects after poppet by vehicle body frame, the brake handlebar is installed on the front frame, on front fork and the back vent wheel is installed; After poppet top is equipped with vehicle seat; The vehicle body frame postmedian is provided with pedal device, driving device, and described vehicle body frame is formed push-pull structure by many beam columns and a plurality of turning joint.
One end of the preceding crossbeam of described vehicle body frame is hinged on the front frame by a joint, and the other end is hinged on the crossbeam of back by the d joint; Cant beam one end connects firmly on front frame, and the other end is hinged by an end of b joint and central sill; The postmedian of central sill is hinged on the crossbeam of back by the c joint, and the other end is hinged by an end of e joint and quick detach locknut support and bale handle; Quick detach locknut support is arranged on the crossbeam of back, and it is provided with the quick detach locknut; The front portion of back crossbeam forms the twin-spar construction of two clamping plates shape, and the other end of bale handle is hinged on the after poppet by the f joint, and the rear portion of back crossbeam is hinged on the after poppet by the g joint.
Described after poppet back is provided with at least one vehicle body frame, and preceding crossbeam one end of vehicle body frame connects the joint by activity and is hinged on the after poppet, and the other end is sloping type, is hinged on the quick detach locknut support, and after poppet top is equipped with handle.
The dop in described movable connection joint is affixed with the axle frame, is provided with bearing pin, rotating shaft, axle sleeve, bearing in the axle frame, and the extendible portion and the coupling head of rotating shaft are affixed, are provided with bearing, axle sleeve in the coupling head; Dop is provided with earhole, and on after poppet, coupling head is hinged by the preceding crossbeam of a joint and vehicle body frame by screw attachment.
The beam column of described vehicle body frame is pipe fitting or section bar, and turning joint comprises axle sleeve, bearing, pin or bearing pin and nut.
Described front frame, after poppet are lifting structure.
Described driving device adopts sprocket wheel, chain, flywheel transmission.
Described handlebar, handle and pedal are foldable structure.
The positive beneficial effect that the utility model had:
1. adopt plug-type foldable structure, vehicle body frame is made up of many beam columns and a plurality of turning joint, and foldable push and pull is simple and efficient, vehicle body frame can be foreshortened to front and back wheel after folding and close up, and has reduced the bicycle volume greatly, and is easy to carry, is easy to popularize;
2. behind the foldable push and pull, do not influence wheel, the user must be not portable, as long as the walking vehicle handle, wheel lands and carries out getting final product, and is laborsaving convenient again;
3. front frame and after poppet can contract and fall, and handlebar can fold, and make the car load volume littler, take up room still less, are convenient to vanning and carry and deposit;
4. plug-type folded bicycle stature reasonable in design, intensity, rigidity are good, and it is reliable and stable after the locking of quick detach locknut car load to be connected, and guarantees riding safety;
5. the movable vehicle body frame that connects hinged back, joint is set, alerting ability, balance, good stability when double or many people ride;
6. according to plug-type folding principle, can make single, double, many people and ride folding bicycle, novelty simple in structure, product seriation can be widely used in go off daily and tourism, amusement, body-building use.
Description of drawings
Fig. 1 is the utility model embodiment 1 structural representation;
Fig. 2 is a plug-type vehicle body frame structural representation of the present utility model;
Fig. 3 is the utility model embodiment 1 partial folds view;
Fig. 4 is the utility model embodiment 1 whole folded state scheme drawings;
Fig. 5 is the utility model embodiment 2 structural representations;
Fig. 6 is the utility model embodiment 2 partial folds view;
Fig. 7 is the utility model embodiment 2 whole folded state scheme drawings;
Fig. 8 is the movable front view that connects the articulation structure scheme drawing of the present utility model;
Fig. 9 is the movable birds-eye view that connects the articulation structure scheme drawing of the present utility model.
The specific embodiment
Consult shown in Figure 1, a kind of plug-type folding bicycle, mainly comprise parts such as front frame 1, vehicle body frame 2, after poppet 3, brake handlebar 4, wheel 5, pedal device 6, driving device 7, vehicle seat 8, its front frame 1 connects after poppet 3 by vehicle body frame 2, front frame 1 is selected pipe fitting for use, be prior art liftable structure, its top is equipped with brake handlebar 4, and front vehicle wheel 5 is installed on the front fork of bottom; After poppet 3 is selected pipe fitting for use, is prior art liftable structure, and its top is equipped with vehicle seat 8; Vehicle body frame 2 postmedians are provided with pedal device 6, driving device 7, on the vehicle body frame 2 afterbody back vents rear wheel 5 are installed; Driving device 7 is a prior art, adopts transmissions such as sprocket wheel, chain, flywheel; Front frame 1, after poppet 3, pedal device 6 and wheel 5, brake handlebar 4, vehicle seat 8 are prior art, and pedal, handlebar are all collapsible.Present embodiment is by bike single.
Consult shown in Figure 2ly, described vehicle body frame 2 is made up of many beam columns and a plurality of turning joint, and beam column is selected square tube, pipe, flat tube or section bar for use, and turning joint is prior art, comprises axle sleeve, bearing, pin or bearing pin and nut; Vehicle body frame 2 mainly comprises preceding crossbeam 201, a joint 202, cant beam 203, b joint 204, central sill 205, c joint 206, quick detach locknut 207, d joint 208, e joint 209, bale handle 210, f joint 211, g joint 212, back crossbeam 213, quick detach locknut support 214 etc.; One end of its preceding crossbeam 201 is hinged on the front frame 1 by a joint 202, and the other end is hinged on the crossbeam 213 of back by d joint 208; Cant beam 203 1 ends connect firmly on front frame 1, and the other end is hinged with an end of central sill 205 by b joint 204; The postmedian of central sill 205 is hinged on the crossbeam 213 of back by c joint 206, and the other end is hinged with an end of quick detach locknut support 214 and bale handle 210 by e joint 209; Quick detach locknut support 214 is arranged on the crossbeam 213 of back, and it is provided with quick detach locknut 207, and it is reliable and stable after 207 lockings of quick detach locknut car load to be connected; The front portion of back crossbeam 213 forms the twin-spar construction of two clamping plates shape, and the other end of bale handle 210 is hinged on the after poppet 3 by f joint 211, and the rear portion of back crossbeam 213 is hinged on the after poppet 3 by g joint 212.
Consult shown in Figure 3, the folding process of whole self-propelled car is plug-type, when folding, earlier locknut 207 is unclamped, upwards mention the d joint 208 of vehicle body frame 2, crossbeam 213 and pedal device 6, driving device 7 move up after driving, drive central sill 205 simultaneously, bale handle 210 moves up, after poppet 3 and vehicle seat 8 are moved forward, front and back wheel 5 is drawn close, be convenient to walking vehicle carrying out.
Consult shown in Figure 4ly, carry and deposit, front frame 1, after poppet 3 can be contracted and fall for ease of vanning, handlebar 4 is folding downwards, make volume littler, take up room still less.
Consult shown in Figure 5, present embodiment be double or many people by bike; The double structure of riding is in described after poppet 3 back a vehicle body frame 2 to be set, preceding crossbeam 201 1 ends of vehicle body frame 2 connect joint 9 by activity and are hinged on the after poppet 3, the other end is sloping type, is hinged on the quick detach locknut support 214, without cant beam 203 and central sill 205; And handle 10 is installed on after poppet 3 tops, hold for the back bicyclist; Many people ride structure, are in double after poppet of riding 3 back a vehicle body frame 2 is set at least, and it is hinged to connect joint 9 by activity.All the other structures are with embodiment 1.
Consult Fig. 6, shown in Figure 7 simultaneously, when folding, locknut 207 is unclamped, upwards mention the d joint 208 of first and second vehicle body frame 2, and handle 10 is folding, and the method for folding of remainder is with embodiment 1.
Consult simultaneously Fig. 8, Fig. 9 shown in, the described movable joint 9 that connects mainly comprises parts such as dop 901, axle frame 902, bearing pin 903, rotating shaft 904, coupling head 905, bearing 906, axle sleeve 907;
Its dop 901 and 902 welding of axle frame, be provided with bearing pin 903, rotating shaft 904, axle sleeve 907, bearing 906 in the axle frame 902, rotating shaft 904 can be rotated along bearing 906 with bearing pin 903, axle sleeve 907, the extendible portion of rotating shaft 904 and coupling head 905 welding are provided with bearing 906, axle sleeve 907 in the coupling head 905; Dop 901 is provided with earhole, and on after poppet 3, coupling head 905 is hinged with the preceding crossbeam 201 of vehicle body frame 2 by a joint 202 by screw attachment.
Described Foldable handlebar 4, handle 10 can adopt existing Foldable handlebar structure.
Claims (8)
1. plug-type folding bicycle, comprise front frame, vehicle body frame, after poppet, brake handlebar, wheel, pedal device, driving device, vehicle seat, its front frame connects after poppet by vehicle body frame, and the brake handlebar is installed on the front frame, on front fork and the back vent wheel is installed; After poppet top is equipped with vehicle seat; The vehicle body frame postmedian is provided with pedal device, driving device, it is characterized in that described vehicle body frame (2) forms push-pull structure by many beam columns and a plurality of turning joint.
2. plug-type folding bicycle according to claim 1, an end that it is characterized in that the preceding crossbeam (201) of described vehicle body frame (2) is hinged on the front frame (1) by a joint (202), and the other end is hinged on the back crossbeam (213) by d joint (208); Cant beam (203) one ends connect firmly on front frame (1), and the other end is hinged with an end of central sill (205) by b joint (204); The postmedian of central sill (205) is hinged on the back crossbeam (213) by c joint (206), and the other end is hinged with an end of quick detach locknut support (214) and bale handle (210) by e joint (209); Quick detach locknut support (214) is arranged on the back crossbeam (213), and it is provided with quick detach locknut (207); The front portion of back crossbeam (213) forms the twin-spar construction of two clamping plates shape, and the other end of bale handle (210) is hinged on the after poppet (3) by f joint (211), and the rear portion of back crossbeam (213) is hinged on the after poppet (3) by g joint (212).
3. plug-type folding bicycle according to claim 1, it is characterized in that described after poppet (3) back is provided with at least one vehicle body frame (2), preceding crossbeam (201) one ends of vehicle body frame (2) are hinged on the after poppet (3) by the movable joint (9) that connects, the other end is sloping type, be hinged on the quick detach locknut support (214), after poppet (3) top is equipped with handle (10).
4. plug-type folding bicycle according to claim 3, the dop (901) that it is characterized in that described movable connection joint (9) is affixed with axle frame (902), be provided with bearing pin (903), rotating shaft (904), axle sleeve (907), bearing (906) in the axle frame (902), the extendible portion of rotating shaft (904) and coupling head (905) are affixed, are provided with bearing (906), axle sleeve (907) in the coupling head (905); Dop (901) is provided with earhole, and on after poppet (3), coupling head (905) is hinged with the preceding crossbeam (201) of vehicle body frame (2) by a joint (202) by screw attachment.
5. plug-type folding bicycle according to claim 1, the beam column that it is characterized in that described vehicle body frame (2) is pipe fitting or section bar, turning joint comprises axle sleeve, bearing, pin or bearing pin and nut.
6. plug-type folding bicycle according to claim 1 is characterized in that described front frame (1), after poppet (3) are lifting structure.
7. plug-type folding bicycle according to claim 1 is characterized in that described driving device (7) adopts sprocket wheel, chain, flywheel transmission.
8. plug-type folding bicycle according to claim 1 is characterized in that described handlebar (4), handle (10) and pedal are foldable structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201242915U CN201338694Y (en) | 2008-12-11 | 2008-12-11 | Push-pull folding bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201242915U CN201338694Y (en) | 2008-12-11 | 2008-12-11 | Push-pull folding bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201338694Y true CN201338694Y (en) | 2009-11-04 |
Family
ID=41234236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201242915U Expired - Fee Related CN201338694Y (en) | 2008-12-11 | 2008-12-11 | Push-pull folding bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201338694Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102060071A (en) * | 2010-12-27 | 2011-05-18 | 张模 | Foldable bicycle for one or two men |
| CN106143748A (en) * | 2015-04-16 | 2016-11-23 | 李宏杰 | A kind of collapsible detachable tandem bicycle |
-
2008
- 2008-12-11 CN CNU2008201242915U patent/CN201338694Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102060071A (en) * | 2010-12-27 | 2011-05-18 | 张模 | Foldable bicycle for one or two men |
| CN102060071B (en) * | 2010-12-27 | 2013-04-24 | 张模 | Foldable bicycle for one or two men |
| CN106143748A (en) * | 2015-04-16 | 2016-11-23 | 李宏杰 | A kind of collapsible detachable tandem bicycle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091104 Termination date: 20121211 |